Display screen or portion thereof with generated image



FIG. 1 is a front view of a display screen or portion thereof with generated image, also known as a graphical user interface showing my new design; and,

FIG. 2 is a front view of the display screen or portion thereof with generated image of FIG. 1, in which a mobile phone in broken lines is provided to illustrate an example environment.

The broken line drawing of the mobile phone, and the text/words, numbers and otherwise images shown in broken lines in FIGS. 1 and 2 are for illustrative purpose only and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with generated image, as shown and described. 